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Crustacea   Listen
noun
Crustacea  n. pl.  (Zool.) One of the classes of the arthropods, including lobsters and crabs; so called from the crustlike shell with which they are covered. Note: The body usually consists of an anterior part, made up of the head and thorax combined, called the cephalothorax, and of a posterior jointed part called the abdomen, postabdomen, and (improperly) tail. They breathe by means of gills variously attached to some of the limbs or to the sides the body, according to the group. They are divisible into two subclasses, Entomostraca and Malacostraca, each of which includes several orders.






Collaborative International Dictionary of English 0.48








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"Crustacea" Quotes from Famous Books



... to remark that the term "fishes," as used, technically, in zoology, by no means covers all the moving creatures that have life, which are bidden to "fill the waters in the seas" (Gen. i. 20-22.) Marine mollusks and crustacea, echinoderms, corals, and foraminifera are not technically fishes. But they are abundant in the palaeozoic rocks, ages upon ages older than those in which the first evidences of true fishes appear. And if, in a geological book, Mr. Gladstone finds the quite ...
— Mr. Gladstone and Genesis - Essay #5 from "Science and Hebrew Tradition" • Thomas Henry Huxley

... Kelaart of the army medical staff[1], which is by far the most valuable that has yet appeared on the Singhalese fauna. Co-operating with him, Mr. Layard has supplied a fund of information especially in ornithology and conchology. The zoophytes and Crustacea have I believe been partially investigated by Professor Harvey, who visited Ceylon in 1852, and more recently by Professor Schmarda, of the University of Prague. From the united labours of these gentlemen and others interested in the same pursuits, ...
— Sketches of the Natural History of Ceylon • J. Emerson Tennent

... glimpse of rock on these low shores;—only long sloping beaches and bars of smooth tawny sand. Sand and sea teem with vitality;—over all the dunes there is a constant susurration, a blattering and swarming of crustacea;—through all the sea there is a ceaseless play of silver lightning,—flashing of myriad fish. Sometimes the shallows are thickened with minute, transparent, crab-like organisms,—all colorless as gelatine. There are days also when countless ...
— Chita: A Memory of Last Island • Lafcadio Hearn

... paleontology. He was the author of The Jurassic Deposits of Norfolk, with Some Remarks on the Kimeridge Clay—an exhaustive study of the geological formation of the county and the remains of prehistoric reptiles, fishes, mollusca and crustacea which had been discovered therein. This work, which had taken six years to prepare, had almost been lost to the world through the carelessness of the Postal Department, which had allowed the manuscript to go astray while in transit from ...
— The Shrieking Pit • Arthur J. Rees

... to be the very breath of life to thousands and thousands of creatures. Some of them found their way to the gills of the brook trout, and some to the minnows, and the herrings, and the suckers, and the star-gazers; some fed the little crustacea, and the insect larvae, and the other tiny water animals that make up the lower classes of society; and some passed undetained down the river and out into Lake Superior. But there were others that worked down into the gravel of the riverbed; ...
— Forest Neighbors - Life Stories of Wild Animals • William Davenport Hulbert

... between the vegetable and animal kingdom, Haeckel's kingdom of the protista. The next oldest animal organisms found in the Cambrian formation are the zooephytes, and immediately above them the mollusca and the crustacea. In the following Silurian period we find corals, radiata, worms, mollusca, and crustacea, in {66} great number, also all the main-types of the invertebrates; and in the highest Silurian strata there are also to be found representatives ...
— The Theories of Darwin and Their Relation to Philosophy, Religion, and Morality • Rudolf Schmid

... organisation of these mollusca and crustacea, and looking at their very complex nature, that it does indeed require a very strong imagination to conceive that these were the first created of all living things. And you must take into consideration the fact that we have not the slightest ...
— Darwiniana • Thomas Henry Huxley

... hard coat-of-mail, with its jointed greaves and overlapping scales, than is the lobster in its crustaceous covering; with this exception, that the warrior could at pleasure unbuckle himself from his armour, whereas the body and limbs of the crustacea are completely incased in hollow cylinders, firmly and accurately jointed, from which there is no such ready release. Now, as this shelly integument envelops them from their earliest youth, and as it does not expand and grow, the natural growth of the soft body beneath ...
— Chambers's Edinburgh Journal, No. 433 - Volume 17, New Series, April 17, 1852 • Various

... able work published recently by Dr. Kelaart of the army medical staff[1], which is by far the most valuable that has yet appeared on the Singhalese fauna. Co-operating with him, Mr. Layard has supplied a fund of information especially in ornithology and conchology. The zoophytes and crustacea have been investigated by Professor Harvey, who visited Ceylon for that purpose in 1852, and by Professor Schmarda, of the University of Prague, who was lately sent there for a similar object. From the united labours of ...
— Ceylon; an Account of the Island Physical, Historical, and • James Emerson Tennent

... reaching toward the struggling victim, and holding it in a grasp so firm that escape is impossible, and it is soon drawn into the capacious and hungry stomach. Every animated thing that comes within reach of the tentacles of the anemone is mercilessly seized and devoured. Even small mollusks and Crustacea are unable to resist the power of the grasping threads, and crabs are often conquered and swallowed by this voracious living flower. For this reason sea-anemones are dangerous inhabitants of an aquarium stocked with creatures having the power of ...
— Harper's Young People, April 13, 1880 - An Illustrated Weekly • Various

... of any authenticated instance of such, which may not be explained by the presence of mycelium or of animal life. In the animal kingdom, luminosity is confined, I believe, to the Invertebrata, and is especially common amongst the Radiata and Mollusca; it is also frequent in the Entromostracous Crustacea, and in various genera of most orders of insects. In all these, even in the Sertulariae, I have invariably observed the light to be increased by irritation, in which respect the luminosity of animal life differs from ...
— Himalayan Journals (Complete) • J. D. Hooker

... sea-water, one may frequently have the pleasure of seeing little animals of strange forms swimming in the glass. In the course of ten days, I obtained, in this way, thirty-one different species of animals, among which was a small Diodon, eight small crustacea of forms almost wholly unknown; a sea-bug (Halobates micans); three species of Pteropodes, closely allied to the Cliodora; a small and remarkable Hyaloea; two new Janthinae; Firola hyalina, Pyrosoma atlanticum, Salpa coerulescens, ...
— A New Voyage Round the World, in the years 1823, 24, 25, and 26, Vol. 2 • Otto von Kotzebue

... the goal of existence, the savage was certainly much higher in "the scale of being" than the nations of modern Europe, and Mrs. Eddy is perfectly right when she refers us to the amoeba and crustacea. Happy, indeed, the lobster who thinks so little about his anatomy that his lost claw is ...
— McClure's Magazine, Vol 31, No 2, June 1908 • Various

... digest them with ease and rapidity. Some of them are in truth formidable monsters. Professor E. Forbes gives the following humorous description of the destructive propensities of some medusae which he had captured in the Zetland seas:—'Being kept,' he says, 'in a jar of salt-water with small crustacea, they devoured these animals, so much more highly organised than themselves, voraciously; apparently enjoying the destruction of the unfortunate members of the upper classes with a truly democratic relish. One of them even attacked and commenced the swallowing of a Lizzia octopunctata, ...
— Chambers' Edinburgh Journal - Volume XVII., No 423, New Series. February 7th, 1852 • Various

... The goat was certainly indigenous, but no more certainly domesticated than the equally indigenous deer. This indigenous rein-deer may or may not have been trained. The miserable aliments of the beach, shell-fish and crustacea, constituted no small part of the earliest human food; and so (for the northern part of the isle at least) did eggs, seals, and whales. Surely in these primitive portions of the Stone period our habits must have approached those of the Lap, the Samoeeid, and the Eskimo, however ...
— The Ethnology of the British Islands • Robert Gordon Latham

... are certain animals which belong to the crab and lobster class (Crustacea)—a class constructed on an utterly different type from that on which the bivalve shell-fish are constructed—which present a very curious approximation to both the form and, in a certain respect, the structure of true bivalves. Allusion is here made ...
— On the Genesis of Species • St. George Mivart

... be supposed that we were strict vegetarians. Many varieties of fish and crustacea, as well as certain insects and some of the smaller birds were eaten raw. European and American civilizations alike are hopelessly backward in this regard. True, we eat with avidity oysters and clams (except in the Bapoo-period), ...
— The Cruise of the Kawa • Walter E. Traprock

... digestion were a thing to be trifled with, I might sup upon lobster, and the matter of life of the crustacean would undergo the same wonderful metamorphosis into humanity. And were I to return to my own place by sea, and undergo shipwreck, the crustacea might, and probably would, return the compliment, and demonstrate our common nature by turning my protoplasm into living lobster. Or, if nothing better were to be had, I might supply my wants with mere bread, and I should find the protoplasm ...
— Lay Sermons, Addresses and Reviews • Thomas Henry Huxley

... the human body. When the discussion of human social institutions is taken up in Part II, the obvious assumption will always be that these rest upon human biology, and that we must not let our minds wander into vague analogies concerning birds, spiders or crustacea. ...
— Taboo and Genetics • Melvin Moses Knight, Iva Lowther Peters, and Phyllis Mary Blanchard

... sea has an ample store to choose from in the toothsome crab, clam, lobster, and other crustacea. The fresh fish, the roast clams, etc., take the place of the devilled kidneys and broiled bones of the winter. But every housewife should study the markets of her neighborhood. In many rural districts the butchers give ...
— Manners and Social Usages • Mrs. John M. E. W. Sherwood

... woods, watching for its prey in the centre of a large net stretched horizontally between the trees. The seine was frequently hauled upon the beach with great success. One evening through its means, in addition to plenty of fish, no less than five kinds of star-fishes and twelve of crustacea, several of which are quite new, were brought ashore. Among the plants of the island the most important is a wild species of plantain or banana, afterwards found to range along the north-east coast and its islands, as far as Cape York. Here I saw for the first time ...
— The Confessions of a Beachcomber • E J Banfield

... separate regions. In the first group, the Centipedes, the nervous system is scattered through the whole body, as in the Worms; in the Spiders it is concentrated in two nervous swellings, as in the Crustacea, the front one being the largest; and in the Insects there are three nervous centres, the largest in the head, a smaller one in the chest, and the smallest in the hind body. Now according to this greater or less individualization of ...
— The Atlantic Monthly, Vol. IX., March, 1862., No. LIII. - A Magazine Of Literature, Art, And Politics, • Various

... saw; and the absence of the vertebrata, or at least the inconspicuous place which they occupied if they were at all present, must have imparted to the whole, as a group, a humble and mediocre character. It seems to have been for many ages together a creation of molluscs, corals, and Crustacea. At length, in an upper bed of the system, immediately under the base of the Old Red Sandstone, the remains of the earliest known fishes appear, blent with what also appears for the first time,—the fragmentary remains of a terrestrial vegetation. The ...
— The Testimony of the Rocks - or, Geology in Its Bearings on the Two Theologies, Natural and Revealed • Hugh Miller

... concretion in the intestine of the sperm-whale is that it contains fragments of the horny beaks and hooks of the cuttle-fish digested by the whale. The food of the whalebone whales consists of minute crustacea and of the little floating molluscs known as Clio borealis, as big as the last joint of one's little finger, which float by millions in the Arctic Ocean. The whalebone whales, after letting their huge mouths fill with the sea-water in which these creatures ...
— More Science From an Easy Chair • Sir E. Ray (Edwin Ray) Lankester



Words linked to "Crustacea" :   crustaceous, subclass Cirripedia, class, Ostracoda, Stomatopoda, subclass Malacostraca, order Stomatopoda, phylum Arthropoda, class Crustacea, subclass Copepoda, subclass Branchiopoda, crustacean, Arthropoda, Copepoda, Malacostraca, Cirripedia, Entomostraca, Branchiopoda



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